Backups on Solaris 5.6

You didn't provide a lot of information. If my answer doesn't help please post the backup command and as much technical detail as possible. A lot of things can factor into your problem.

Does the account the backup runs under have read and execute permission for all files and directories?

If you are running remotely, does the account have permission to become root on the other machine?

Did you specify a valid tape drive?

Jobs run through cron run as a user but not in that user's login environment (specifically, anything usually set in .login or .profile needs to be set explicitly in the cron job).

Cron jobs run in "sh". If you wrote the script in another shell you need to specify it in the script (for example, to specify csh put "#!/bin/csh" in the first line).

Again, if this didn't help please repost in a lot more detail.

The files effected during a backup are dependent upon the backup software being used. If tar or cpio are being used to copy files to the backup device, no other files are updated. dumps or ufsdumps, may maintain (depending on the flags) a dump log, that keeps track of the backups. 3rd party software (like Legato's Networker) may have their own log files and indexes that they maintain.

Errors that are generated from cron scheduled commands will be captured in the cron log, and may be examined postmortum.

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